REG_PWR_CR3
val = readl_relaxed(priv->base + REG_PWR_CR3);
val = readl_relaxed(priv->base + REG_PWR_CR3);
val = readl_relaxed(priv->base + REG_PWR_CR3);
writel_relaxed(val, priv->base + REG_PWR_CR3);
val = readl_relaxed(priv->base + REG_PWR_CR3);
writel_relaxed(val, priv->base + REG_PWR_CR3);